about:mozilla is a weekly round-up of news and contribution opportunities. Here’s what’s happening this week.

Firefox Developer Tools
The latest version of Firefox adds a number of new built-in developer tools that let developers change the look and feel of websites in real-time. Watch the video to learn more.

DIY Love Letter
Jess Klein is giving a helping hand to young Web makers this valentines with her prototype DIY love letter. Now anyone can start hand coding a valentine for their loved one.

FOSDEM 2012
If you’re going to FOSDEM this year and are interested in Add-ons development or Firefox performance there are a number of interesting talks & events you should attend and hackerspaces where you can get a beer!

Mozilla Labs: PancakePancake is a new Mozilla Labs project to better understand what people do on the Web, why and how they do those things, and how we can make those things easier and more efficient. If you would like to get involved or talk with us about the project, please visit our wiki.